WO2006073310A1 - A method and a device for supply of at least one substance into interspace between mutually movable, coaxial structural elements - Google Patents
A method and a device for supply of at least one substance into interspace between mutually movable, coaxial structural elements Download PDFInfo
- Publication number
- WO2006073310A1 WO2006073310A1 PCT/NO2006/000001 NO2006000001W WO2006073310A1 WO 2006073310 A1 WO2006073310 A1 WO 2006073310A1 NO 2006000001 W NO2006000001 W NO 2006000001W WO 2006073310 A1 WO2006073310 A1 WO 2006073310A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- interspace
- substance
- seal
- disclosed
- lubricant
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/46—Sealings with packing ring expanded or pressed into place by fluid pressure, e.g. inflatable packings
- F16J15/48—Sealings with packing ring expanded or pressed into place by fluid pressure, e.g. inflatable packings influenced by the pressure within the member to be sealed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/162—Special parts or details relating to lubrication or cooling of the sealing itself
Definitions
- the present invention relates to a method and a device for the supply of at least one substance into the interspace between mutually movable, coaxial structural elements.
- the problems that the present invention aims to remedy have, inter alia, been known in connection with so-called vertical movement locking towing pins and so-called chain and wire forks for locking, e.g., a chain in position.
- Fig. 1 illustrates the prior art.
- Fig. 2 shows a first aspect of the invention.
- Fig. 3 shows a modification of the embodiment in Fig. 2
- Fig. 4 shows a second aspect of the invention.
- Fig. 5 shows a modification of the embodiment in Fig. 4.
- Fig. 6 is a top view of a known combined towing pin and chain fork installation in which the invention may be used.
- Fig. 7 shows the section VII-VII in Fig. 6
- Fig. 8 shows the section VIU-VIII in Fig. 4.
- Fig. 9 is a vertical elevation of the installation in Fig. 6 seen in the direction IX.
- Fig. 10 is a vertical elevation of the installation in Fig. 6 seen in the direction X:
- Fig. 1 it is shown how two mutually movable, coaxial elements 1, 1' and 2 with an interspace 3 between them can be supplied with lubricant (not shown) passed to a lubricating outlet or lubricating manifold 4" from a lubricator nipple 4 via a lubricating channel 4'.
- An annular seal 6 with sealing lips is provided in a recess 7' on a retaining piece 7 and closes one of the outlets from the interspace 3 axially.
- a bolt 8 is provided to secure the retaining piece 7 to the element 1'.
- the part I' is expediently made as a sliding bearing, e.g., of bronze. Wear may be caused, inter alia, by contaminants such as sand, mud, clay, dust and dirt.
- Fig. 2 shows a modification of the solution illustrated in Fig. 1.
- the seal 6 which is shown in Fig. 1 has been replaced by an annular seal 9 in Fig. 2.
- the inner side 9' of the seal i.e., the side facing the element 2
- the outer side 9" is wave-shaped.
- the ring seal 9 is made so that it has a piston function.
- Such piston function is obtained partly by providing in at least two of the valleys of the a wave-shape a respective spring 10, 11, as for example, a 6 mm helical spring, which thus encircles the ring seal and will cause the static sealing pressure that the seal is to exert with its inner side 9' against the element 2 to remain at an acceptable level, e.g., 800 mm Hg/cm2. It is of course important to maintain this sealing pressure after lubricant, such as lubricating grease, has been introduced into the interspace 3. As explained in connection with Fig. 1, lubricant, schematically indicated by the arrow 12, is introduced into the interspace 3 via a supply hose or a supply pipe 13, the valve 4, an additional pipe 13', the channel 4' and the outlet 4".
- lubricant schematically indicated by the arrow 12
- each end of the wavy portion 9" there is preferably a respective bead 9'", 9"" which is fitted in a respective recess 1" in the element 1' and 7" in the retaining piece 7.
- the ring seal 9 has a defined positioning in the recess 7', whilst, inter alia, the bead 9'" ensures that any lubricant from the interspace 3 does not enter the recess T.
- An O-ring 15 is advantageously disposed between the retaining piece 7 and the element 1 to prevent any lubricant from the recess T from seeping out into a possible gap between the retaining piece 7 and the element 1.
- a cleaning agent is now supplied.
- This cleaning agent may expediently contain fat-dissolving substances.
- the cleaning agent may optionally be water-soluble. The cleaning agent is thus flushed through the interspace, optionally whilst the mutually movable elements 1, 1' and 2 are moved axially relative to each other.
- the solution according to Fig. 2 is suitable in particular when the mutually movable, coaxial elements are mutually displaceable in an axial direction, but is also suitable in the event that the elements are only mutually rotatable. Furthermore, the solution is also useful when the structural elements are not only mutually displaceable in the axial direction, but where such movement is combined with a mutually rotatable movement.
- Fig. 2 shows just one seal, there may of course be two or more seals in the sealing end of the interspace 3. This is shown in more detail in Fig. 3, from which an additional annular seal 16 can be seen. Seen in cross-section, the inner side 16' of the seal, i.e., the side facing the element 2, is preferably straight, whilst the outer side 16" is wave-shaped. Like the ring seal 9, the ring seal 16 is also made so that it has a piston function.
- Such piston function is obtained partly by providing in at least two of the troughs of the corrugation a respective spring 17, 18, as for example a 6 mm helical spring, which thus encircles the ring seal and causes the static sealing pressure that the seal is to exert with its inner side against the element 2 to remain at an acceptable level, e.g., 800 mm Hg/cm2. It is of course important to be able maintain this sealing pressure after lubricant, such as lubricating grease, has been introduced into the interspace 3, the seal 16 serving to provide an additional sealing effect in addition to the effect provided by the seal 9. As explained in connection with Figs.
- lubricant schematically indicated by the arrow 12 is introduced into the interspace 3 via a supply hose or a supply pipe 13, the valve 4, an additional pipe 13', the channel 4' and the outlet 4".
- a branch 13" which is secured in a channel 14 in the retaining piece 7.
- an additional branch 13'" is provided for the function of the ring seal 16, which is secured in a channel 19.
- the channel 14 leads into a recess 7'" and this means that lubricant under pressure is at the same time also directed in towards the outer side 16"" of the ring seal 16.
- each end of the wavy portion 16" there is preferably a respective bead 16'", 16"" which is fitted in a respective recess 7"", 7'"" in the retaining piece 7.
- the ring seal 16 also in this case has a defined positioning in the recess 7'".
- Fig. 3 also provides other advantageous possibilities as shown and described in connection with Fig. 2.
- the use of ring seals 9 and 16 also permits an efficient washing of the interspace 3 present at any given time between the elements 1' and 2.
- a cleaning agent is now supplied.
- This cleaning agent may also expediently contain fat-dissolving substances.
- the solution according to Figure 3 is suitable in particular when the mutually movable coaxial elements are mutually displaceable in an axial direction, but is also suitable in the event that the elements are only mutually rotatable. Furthermore, the solution is also useful where the structural elements are not only mutually displaceable in the axial direction, but also where such movement is combined with a mutually rotatable movement.
- the part 20' may optionally be of a softer material than the parts 20, 21, for example, it may be of bronze.
- an annular seal 23; 24 is arranged at a first and a second axial end of the element 20, 20'.
- the inner side of the seals i.e., the side facing the element 21, seen in section, is preferably straight, whilst the outer side is wavy.
- the ring seal 23, 24 is also made so that it has a piston function.
- Such piston function is obtained partly by providing in at least two of the valleys of the wave-shape a respective spring, in this figure indicated generally by the reference numerals 25, 26 for the seals 23, 24 respectively.
- these springs may each be formed of, e.g., a 6 mm helical spring which thus surrounds the ring seal and will cause the static sealing pressure that the seal with its inner side is to exert against the element 21 to remain at an acceptable level, e.g., 800 mm Hg/cm2.
- Lubricant can be introduced into the interspace 22 via a supply hose or a supply pipe 28, a valve 29, an additional pipe 28', a channel 30 in the element 20 and a lubricating outlet or a lubricating manifold 30'.
- a supply hose or a supply pipe 28 a valve 29, an additional pipe 28', a channel 30 in the element 20 and a lubricating outlet or a lubricating manifold 30'.
- branches 28", 28'" which are secured in a respective channel 31'; 32' in a retaining piece 31; 32.
- the channel 31'; 32' leads into a respective recess 31"; 32" in the retaining piece 31; 32. This means that lubricant under pressure is at the same time also directed in towards the outer side of the ring seals 23; 24.
- Excess lubricant 27' will exit via the lubricating manifold or lubricating outlet 30' at a discharge point 30" thereon and be conducted via a channel 33, a valve 34 and a pipe 35 to a collecting reservoir 36.
- each end of the corrugated portion of the ring seal there is a respective bead which is fitted in a respective recess on the element 20' and the respective retaining pieces 31; 32.
- the ring seals 23; 24 have a defined positioning in the respective recess 31"; 32", whilst, inter alia, the bead ensures that lubricant from the interspace 22 does not enter the recess 31'; 32'.
- An O-ring 34; 35 is advantageously disposed between the respective retaining piece 31; 32 and the element 20 to prevent any lubricant from the recesses from seeping out into a possible gap between the retaining piece 31 ; 32 and the element 20.
- the solution in Fig. 4 also gives other advantageous possibilities.
- the use of the solution for sealing which the ring seals 23; 24 provide also permits an efficient washing of the interspace 22 present at any given time between the elements 20' and 21.
- a cleaning agent is now supplied.
- This cleaning agent may expediently contain fat-dissolving substances.
- the cleaning agent may optionally be water-soluble. The cleaning agent is thus flushed through the interspace, optionally whilst the mutually movable elements are rotated relative to each other or moved axially relative to each other.
- the whole inner side of the element 20' will be cleaned and at the same time the whole of the cylindrical outer side 21 ' of the element 21 will be cleaned.
- water may be introduced to flush out the interspace, whereupon lubricant is introduced, as indicated above.
- Excess cleaning agent is passed from the outlet 30', via the discharge point 30", the channel 33, the valve 34 and the pipe 35 to a collecting reservoir of, e.g., the same type as the reservoir 36. Whilst cleaning agent is introduced under pressure, it is of course also possible to allow the elements 20, 20' and 21 to move relative to each other, or optionally allow them to be motionless.
- cleaning agent e.g., clean water
- lubricant is introduced as indicated above. Whilst lubricant is introduced under pressure, it is of course possible to allow the elements 20, 20 and 21 move relative to each other, or optionally allow them to be motionless.
- the retaining pieces 31, 32 are secured to the element 20 using a plurality of bolts 37; 38.
- Fig. 5 represents a modification of the embodiment shown in Fig. 4, and the modification is based on the modification found in Figure 3 that is based on Fig. 2.
- the part 20' may optionally be of a softer material than the parts 20, 21, for example, it may be of bronze.
- two annular seals 23; 37 and 24; 38 are provided at a first and a second axial end of the element 20, 20'.
- the inner side of the seals i.e., the side facing the element 21, seen in cross-section, is preferably straight, whilst the outer side is wave-shaped. In this case too, the seals are made to have a piston function.
- Such piston function is obtained partly by providing in at least two of the valleys of the wave-shape a respective spring, generally indicated here by the reference numerals 25; 30 and 26; 40 for the seals 23; 37 and 24; 38 respectively.
- these springs may each consist of, e.g., a 6 mm helical spring which thus surrounds the ring seal and will cause the static sealing pressure which the seal with its inner side is to exert against the element 21 to remain at an acceptable level, e.g., 800 mm Hg/cm2.
- an acceptable level e.g. 800 mm Hg/cm2.
- Lubricant can be introduced into the interspace 22 via a supply hose or a supply pipe 28, a valve 29, an additional pipe 28', a channel 30 in the element 20 and a lubricating outlet or a lubricating manifold 30'.
- the channels 31'; 32'; 31'", 32'" lead into a respective recess 31"; 32";31"", 32"” in the retaining pieces 31; 32.
- lubricant under pressure is at the same time also directed in towards the outer side of the ring seals 23; 24; 37; 38.
- pressurised lubricant is thus, e.g., under a pressure of 3 bars, forced into the interspace 22, this results simultaneously in the ring seals 23, 24 and 37, 38 being subjected to a corresponding pressure, which causes them to effect complete sealing whilst the interspace 22 is filled with lubricant.
- the ring seals 37, 38 will provide supplementary sealing to the ring seals 23, 24. This means that the lubricant will move in the interspace 3 without any lubricant leaking past the ring seals 23, 37 and 24, 38.
- the ring seals 23; 24 and 37; 38 have a defined positioning in respective recess 31"; 32" and 31""; 32"".
- An O-ring 34; 35 is advantageously disposed between the respective retaining piece 31; 32 and the element 20 to prevent any lubricant from the recesses from seeping out into a possible gap between the retaining piece 31; 32 and the element 20.
- the solution in Fig. 4 also provides other advantageous possibilities.
- the use of the sealing that the ring seals 23; 24; 37; 38 provide also permits efficient washing of the interspace 22 present at any given time between the elements 20' and 21.
- cleaning agent is now supplied.
- This cleaning agent may expediently contain fat-dissolving substances.
- the cleaning agent may optionally be water-soluble. The cleaning agent is thus flushed through the interspace, optionally whilst the mutually movable elements are rotated relative to each other or are moved axially relative to each other.
- the whole of the inner side of the element 20' will be cleaned and at the same time the whole of the cylindrical outer side 21' of the element 21 will be cleaned.
- e.g. clean water can be introduced to flush out the interspace, whereupon lubricant is introduced, as indicated above.
- Excess cleaning agent is passed out from the outlet 30' via the discharge point 30", the channel 33, the valve 34 and the pipe 35 to a collecting reservoir of, e.g., the same type as the reservoir 36. Whilst cleaning agent is introduced under pressure, it is of course possible to allow the elements 20, 20' and 21 to move relative to each other, or optionally allow them to be motionless.
- cleaning agent e.g., clean water may be introduced to flush out the interspace, whereupon lubricant is introduced, as indicated above. Whilst lubricant is introduced under pressure, it is of course possible to allow the elements 20, 20' and 21 to move relative to each other, or optionally allow them to be motionless.
- the invention requires relatively few modifications of known equipment to work as intended.
- the relevant modifications required are carried out only in the indicated area denoted by the reference numeral 41.
- the modifications are carried out only on parts of the equipment that are stationary.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Architecture (AREA)
- Fluid Mechanics (AREA)
- Sealing Devices (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Cleaning In General (AREA)
- Cleaning In Electrography (AREA)
- Steroid Compounds (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002594431A CA2594431A1 (en) | 2005-01-05 | 2006-01-04 | A method and a device for supply of at least one substance into interspace between mutually movable, coaxial structural elements |
BRPI0606304-7A BRPI0606304A2 (en) | 2005-01-05 | 2006-01-04 | method and device for administering at least one intermediate space substance between mutually movable coaxial structural members |
US11/794,616 US20080309012A1 (en) | 2005-01-05 | 2006-01-04 | Method and a Device for Supply of at Least One Substance Into Interspace Between Mutually Movable, Coaxial Structural Elements |
DK200700984A DK178370B1 (en) | 2005-01-05 | 2007-07-04 | Method and apparatus for conducting at least one substance to a space between mutually moving coaxial building elements |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO20050057 | 2005-01-05 | ||
NO20050057A NO332426B1 (en) | 2005-01-05 | 2005-01-05 | Method and apparatus for conveying at least ± n substance into spaces between mutually moving coaxial structural members |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006073310A1 true WO2006073310A1 (en) | 2006-07-13 |
Family
ID=35209738
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/NO2006/000001 WO2006073310A1 (en) | 2005-01-05 | 2006-01-04 | A method and a device for supply of at least one substance into interspace between mutually movable, coaxial structural elements |
Country Status (8)
Country | Link |
---|---|
US (1) | US20080309012A1 (en) |
CN (1) | CN100585238C (en) |
BR (1) | BRPI0606304A2 (en) |
CA (1) | CA2594431A1 (en) |
DK (1) | DK178370B1 (en) |
NO (1) | NO332426B1 (en) |
RU (1) | RU2382921C2 (en) |
WO (1) | WO2006073310A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009021322A1 (en) * | 2009-05-11 | 2010-12-02 | Blohm + Voss Industries Gmbh | Arrangement for sealing waves |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102011104760A1 (en) | 2011-06-18 | 2012-12-20 | Wabco Gmbh | Pressure control device for a tire inflation system with rotary feedthrough, rotary feedthrough, tire inflation system, motor vehicle with tire inflation system and tire pressure change method |
EP2921710B1 (en) * | 2014-03-18 | 2017-12-27 | Grundfos Holding A/S | Continuous flow machine with sealing device and associated maintenance procedures |
IT201800004699A1 (en) * | 2018-04-19 | 2019-10-19 | EMERGENCY GASKET |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2811196A1 (en) * | 1978-03-15 | 1979-09-20 | Howaldtswerke Deutsche Werft | Fluid resistant shaft seal - has rib with collar extending radially outwards near sealing edge bearing against housing |
US4204689A (en) * | 1977-05-02 | 1980-05-27 | Defibrator Aktiebolag | Sealing device for shafts |
US4448425A (en) * | 1981-11-05 | 1984-05-15 | Howaldtswerke-Deutsche Werft Aktiengesellschaft Hamburg Und Kiel | Shaft seal assembly with inflatable annular member |
WO1999022164A1 (en) * | 1997-10-24 | 1999-05-06 | Erich Emanuel Toppenberg | Valve |
DE19955625C1 (en) * | 1999-11-19 | 2001-05-31 | Coperion Waeschle Gmbh & Co Kg | Bucket wheel sluice for bulk material feed has secondary seal operated by leakage fluid pressure |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
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US367207A (en) * | 1887-07-26 | Metallic packing for stuffing boxes | ||
US2731282A (en) * | 1953-02-04 | 1956-01-17 | Walworth Co | Shaft seal |
US2867458A (en) * | 1956-02-23 | 1959-01-06 | Sealol Corp | Shaft seal for gas turbines and the like |
FR1355976A (en) * | 1962-04-25 | 1964-03-20 | Nat Res Dev | Improved fluid-tight seal devices, in particular for a moving axis or shaft |
US3333856A (en) * | 1964-04-22 | 1967-08-01 | Continental Illinois Nat Bank | Labyrinth type face seal |
US3330563A (en) * | 1965-07-15 | 1967-07-11 | Dico Corp | Inflatable seal structure |
US3514113A (en) * | 1967-07-26 | 1970-05-26 | Konrad Weiswurm | Sealing mechanism for high pressure piston pumps |
SE359905B (en) * | 1972-12-22 | 1973-09-10 | Skf Ind Trading & Dev | |
US4014555A (en) * | 1976-02-03 | 1977-03-29 | Jean Louis Jacottet | Hydrostatic sealing device |
US4534569A (en) * | 1983-09-27 | 1985-08-13 | Mitsubishi Jukogyo Kabushiki Kaisha | Stern tube seal device providing a seal about a rotatable shaft |
DE4028048C2 (en) * | 1990-09-05 | 1994-12-08 | Blohm Voss Ag | Sealing device for rotating shafts, in particular stern tube sealing for ship propeller shafts |
US5312116A (en) * | 1991-06-21 | 1994-05-17 | Lawrence D. Quaglia | Self-adjusting O-ring seal product to retain internal bearing lubricants and pneumatic pressures |
US5906435A (en) * | 1993-09-13 | 1999-05-25 | Continental Products Corporation | Particulate drum mixer with scoop section and seal assembly with bladder |
-
2005
- 2005-01-05 NO NO20050057A patent/NO332426B1/en not_active IP Right Cessation
-
2006
- 2006-01-04 BR BRPI0606304-7A patent/BRPI0606304A2/en not_active Application Discontinuation
- 2006-01-04 RU RU2007129833/06A patent/RU2382921C2/en not_active IP Right Cessation
- 2006-01-04 WO PCT/NO2006/000001 patent/WO2006073310A1/en active Application Filing
- 2006-01-04 CN CN200680005889A patent/CN100585238C/en not_active Expired - Fee Related
- 2006-01-04 US US11/794,616 patent/US20080309012A1/en not_active Abandoned
- 2006-01-04 CA CA002594431A patent/CA2594431A1/en not_active Abandoned
-
2007
- 2007-07-04 DK DK200700984A patent/DK178370B1/en not_active IP Right Cessation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4204689A (en) * | 1977-05-02 | 1980-05-27 | Defibrator Aktiebolag | Sealing device for shafts |
DE2811196A1 (en) * | 1978-03-15 | 1979-09-20 | Howaldtswerke Deutsche Werft | Fluid resistant shaft seal - has rib with collar extending radially outwards near sealing edge bearing against housing |
US4448425A (en) * | 1981-11-05 | 1984-05-15 | Howaldtswerke-Deutsche Werft Aktiengesellschaft Hamburg Und Kiel | Shaft seal assembly with inflatable annular member |
WO1999022164A1 (en) * | 1997-10-24 | 1999-05-06 | Erich Emanuel Toppenberg | Valve |
DE19955625C1 (en) * | 1999-11-19 | 2001-05-31 | Coperion Waeschle Gmbh & Co Kg | Bucket wheel sluice for bulk material feed has secondary seal operated by leakage fluid pressure |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009021322A1 (en) * | 2009-05-11 | 2010-12-02 | Blohm + Voss Industries Gmbh | Arrangement for sealing waves |
DE102009021322B4 (en) * | 2009-05-11 | 2011-09-22 | Blohm + Voss Industries Gmbh | Arrangement for sealing waves |
Also Published As
Publication number | Publication date |
---|---|
DK178370B1 (en) | 2016-01-18 |
CA2594431A1 (en) | 2006-07-13 |
CN100585238C (en) | 2010-01-27 |
CN101128690A (en) | 2008-02-20 |
BRPI0606304A2 (en) | 2009-11-10 |
NO20050057L (en) | 2006-07-06 |
NO20050057D0 (en) | 2005-01-05 |
US20080309012A1 (en) | 2008-12-18 |
NO332426B1 (en) | 2012-09-17 |
DK200700984A (en) | 2007-08-13 |
RU2007129833A (en) | 2009-02-20 |
RU2382921C2 (en) | 2010-02-27 |
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